responsive tables aren't showing properly

-- HikaShop version -- : latest
-- Joomla version -- : latest
-- PHP version -- : 5.5.21
-- Browser(s) name and version -- : all
-- Error-message(debug-mod must be tuned on) -- : there is nor error message

In a small screen, like on a mobile the responsive tabel are too small. I expect that they will be vertical if the screen is too small.

See:
screencast.com/t/05zxJctB98y

How to fix this?

Thanks